The Donjoy Armor Knee Brace with Fourcepoint is the ultimate knee brace for the protection of the ACL and hyperextension injuries. The Donjoy Armor with Fourcepoint Knee Brace is a hinged knee brace using the Donjoy Fourcepoint Hinge Technology. The spring loaded Fourcepoint Hinges of this Donjoy Armor knee brace keep the hamstring in constant tension. As the hamstring is attached to the tibia (or shin bone) this tension pulls the tibia back keeping it stable and almost entirely eliminating the chance of an ACL injury.
What's Included?
- 1 x Donjoy Armor Knee Brace with Fourcepoint
- 2 x Anti-migration condyle pad
- 1 x Mesh carry bag
- 1 x Instruction booklet and fitting tips
- 1 x Warranty card
Who Can Make Gains With The Donjoy Armor Knee Brace with Fourcepoint Hinge
The Donjoy Armor with Fourcepoint Knee Brace is the ideal knee brace for skiing and professional sports use. It is one of the strongest sports knee braces on the market today, so you can perform to your best knowing you're being supported by the best.
It's a universal knee brace, so it can be worn by both men and women. The Donjoy Armor with Fourcepoint Knee Brace is designed for active people seeking a knee brace to provide ligament protection, excellent fit and superb comfort.
This Donjoy hinged knee brace is only suitable for ACL injuries. If you have a PCL injury or have a combination of knee injuries or problems and require a combined instability knee brace (CI), please see the Donjoy Armor. It's designed for high impact sports like skiing and for contact sports, so you can give as good as you get out there. It's suitable for:
- Tennis
- Skiing
- Motocross
- Golf
- Football
- Basketball
- Cycling
- Volleyball
- Handball
- Water sports
Donjoy Armor with Fourcepoint Knee Brace
Constructed from light aircraft grade aluminium, the Donjoy Armour With Fourcepoint Knee Brace is exceptionally strong and lightweight so you can move freely and naturally. As well as protecting the ACL from further injury, the Donjoy Armor with Fourcepoint Knee Brace is also suitable for people with an ACL deficient knee, as well as helping to prevent against hyperextention.
The Donjoy Armor with Fourcepoint Knee Brace uses FourcePoint Technology. Fourcepoint Technology was developed to further protect the ACL and enhance the Four Points of Leverage knee brace design.
The patented FourcePoint hinges of the Donjoy Armor with Fourcepoint Knee Brace are designed to react during leg extension and offer an increasing resistance in the last 35 degrees of extension, in order to reduce extension shock and increase posterior tibial loads. The spring loaded hinged knee brace has an adjustable resistance offered in 25-0, 35-10 and 45-20 degrees increments.
Sizing Information
The Donjoy Armor with Fourcepoint Knee Brace is available in 7 sizes and is suitable for men and women.
The thigh measurement is taken around the thigh 15 cm (6") above the knee cap. The knee centre measurement is taken directly around the centre of the knee cap. The calf measurement is taken around the calf 15cm (6") below the knee cap. See our detailed guide to fitting here.
| Size | Thigh Circumference | Knee Centre Circumference | Calf Circumference |
| Extra Small | 33 - 39cm 13 - 15.5" | 30.5 - 33cm 12 - 13" | 25.5 - 30.5cm 10 - 12" |
| Small | 39 - 47cm 15.5 - 18.5" | 33 - 35.5cm 13 - 14" | 30.5 - 35.5cm 12 - 14" |
| Medium | 47 - 53cm 18.5 - 21" | 35.5 - 38cm 14 - 15" | 35.5 - 40.5cm 14 - 16" |
| Large | 53 - 60cm 21 - 23.5" | 38 - 43cm 15 - 17cm | 40.5 - 47cm 16 - 18" |
| Extra Large | 60 - 67cm 23.5 - 26.5" | 43 - 48.25cm 17 - 19" | 47 - 50.75cm 18 - 20" |
| XX-Large | 67 - 75cm 26.5 - 29.5" | 48.25 - 53.25cm 19 - 21" | 50.75 - 56cm 20 - 22" |
| XXX-Large | 75 - 81cm 29.5 - 32" | 56 - 61cm 21 - 23" | 53.25 - 58.5cm 22 - 24" |
What If My Measurements Fall Under Different Sizes?
If your measurements fall under different sizes (for example: Medium for Thigh Circumference and Large for Knee Centre), we recommend you choose your size based on your Thigh Circumference measurement.
Short Calf Version
Constructed from light aircraft grade aluminium, the Donjoy Armour With Fourcepoint Knee Brace is exceptionally strong and lightweight so you can continue with any sporting activity. As this is the standard short calf version, the knee brace won't become trapped in either a ski or motorcross boot and remains clear from the top of your boot. This makes the support more versatile, allowing it to be used without restriction across a number of sports.
Variations
The Donjoy Armor with Fourcepoint Knee Brace is available in different sizes for different sizes legs, and is available in different versions for left and right legs.
Contraindications of the Donjoy Armor with Fourcepoint Knee Brace
There are no known side effects of the Donjoy Armor with Fourcepoint Knee Brace, however it is designed to be used under the supervision of medical professionals. Consult a doctor before buying to make sure this product is right for you.
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